Exam 3 – Lecture 27: Endocrine System 2 Flashcards Preview

Histology > Exam 3 – Lecture 27: Endocrine System 2 > Flashcards

Flashcards in Exam 3 – Lecture 27: Endocrine System 2 Deck (24)
Loading flashcards...
1
Q

What are the endocrine organs?

A
Pituitary/hypothalamus 
Pineal (3rd eye)
Thyroids
Parathyroids
Adrenals
Pancreas
Gonads
2
Q

What is the pituitary known as?

A

Master gland

3
Q

What is the pituitary connected at?

A

The base of the brain

4
Q

What does the pituitary sit in?

A

A depression at the base of the skull called sella tursica

5
Q

What is the anterior pituitary composed of?

A

Rathke’s pouch

6
Q

What feeds into the pituitary?

A

Hypothalamus

7
Q

What are the 2 portions of the pituitary?

A

Anterior (adenohypophysis) and posterior (neurohypophysis)

8
Q

What is the hypothalamus?

A

A portion of the brain that leaves from the stalk out of the brain stem and into the pituitary

9
Q

What is something that occurs in the pituitary that only happens in a few places

A

Capillary turns into a vein and then a capillary again

10
Q

What are the 3 parts to the anterior pituitary?

A

Pars distalis
Pars intermedia
Pars tuberalis

11
Q

What makes up a majority of the anterior pituitary?

A

Pars distalis

12
Q

What hormones come from the pars distalis?

A
ACTH (adrenocorticotropic hormone)
TSH (thyroid stimulating hormone)
FSH (follicle stimulating hormone)
LH (luteinizing hormone)
GH (growth hormone)
13
Q

What hormone comes from the pars intermedia?

A

MSH (melanocyte stimulating hormone)

14
Q

What hormones come from the pars tuberalis?

A

ACTH
FSH
LH

15
Q

What is Cushing’s disease/canine hyperadrenalcorticism?

A

Too much activity from the cortex of the adrenal gland–too much cortisol

16
Q

What can be found in pars distalis?

A

Acidophils
Basophils
Chromophobes

17
Q

What can be found in pars intermedia?

A

Basophils

Chromophobes

18
Q

Is the posterior pituitary endocrine?

A

Not technically because it is not glandular it is an extension of the CNS, but it does release its contents into the bloodstream

19
Q

What can be found in the posterior pituitary?

A

Supraoptic and paraventricular nuclei
Pars nervosa
Infundibulum

20
Q

What hormones come from the posterior pituitary?

A

Oxytocin

ADH

21
Q

What is ADH?

A

Vasopressin

22
Q

What does the hypothalamus do?

A

Regulates the pituitary function with releasing hormone

Negative feedback

23
Q

What does the pineal gland respond to?

A

Light

24
Q

What does pineal gland produce?

A

Melatonin